Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
The average of the marks obtained in an examination by 8 students was 51 and by 9 other students was 68. The average marks of all 17 students was :
59
59.5
60
60.5
Total weekly emoluments of the workers of a factory is Rs.1534. Average weekly emolument of a worker is Rs.118. The number of workers in the factory is :
16
14
13
12
The mean of 11 numbers is 35. If the mean of first 6 numbers is 32 and that of the last 6 numbers is 37, find the sixth number.
28
29
30
27
The average of the first nine integral multiples of 3 is
21
15
18
Of the three numbers whose average is 60, the first is one fourth of the sum of the others. The first number is :
36
42
45